CONSTRUCTION BACKLOG VS CAPACITY — WHEN BACKLOG EXCEEDS WHAT YOU CAN EXECUTE.
A large backlog is only an asset if the crew and equipment exist to execute it on the schedule the contracts require. When backlog exceeds labor capacity, projects start late, crews get stretched across too many jobs simultaneously, and billing milestones slip. When backlog exceeds equipment capacity, mobilizations get delayed, projects that were supposed to start billing in month two start billing in month four, and the overhead runs against delayed revenue. The cash gap that results was avoidable with a 20-minute capacity analysis before the contract was signed.
SPM builds the 24-month backlog revenue forecast and overlays it against crew deployment capacity and equipment availability. Contracts that create capacity conflicts are identified before signing — when the options are resolve it or decline it, not discover it six weeks into a delayed mobilization.
BACKLOG RELATIVE TO LABOR CAPACITY AND EQUIPMENT CAPACITY — BOTH MATTER.
How Many Billable Hours Can Your Crew Actually Deliver?
Labor capacity is the maximum productive labor hours your current crew can deliver in a period without overtime. Crew size times productive hours per week times weeks in the period. A 15-person crew at 40 productive hours per week for 12 weeks delivers 7,200 labor hours of capacity. If the backlog requires 9,000 labor hours to complete in that 12-week window, the backlog exceeds labor capacity by 25%. The options: hire, subcontract the overflow, push start dates to distribute the backlog more evenly, or decline the work that causes the overflow. The worst option is to sign the contracts and discover the capacity constraint when three projects are simultaneously demanding crew that does not exist.
Do You Have the Equipment to Execute the Backlog?
Equipment-heavy trades — civil, grading, concrete, excavation — have equipment capacity constraints that operate independently of labor capacity. A grading contractor with two excavators and a backlog that requires three simultaneous excavator deployments has an equipment capacity problem. Options: rent a third machine (cost goes into the estimate), delay one project start to create sequential deployment, or subcontract the scope that exceeds equipment capacity. The financial risk of the capacity mismatch is a project that starts on time and then sits idle waiting for equipment that is committed elsewhere.
Revenue That Cannot Be Delivered on Schedule Creates Cash Gaps
Signing more work than can be executed on schedule produces a specific cash flow problem: the mobilization costs are incurred on schedule, but the billing milestones slip because the crew cannot get there on time. A project that was supposed to start billing in month two starts billing in month four because the crew was finishing a prior commitment. The overhead runs for two months against delayed revenue. The LOC is drawn to cover the gap. The work eventually gets done and the cash comes in — but the cash gap was avoidable with a capacity analysis before the contract was signed.
THE ANALYSIS THAT PREVENTS OVERBOOKING — BEFORE THE CONTRACT IS SIGNED.
The strategic decision: Turning down work is never comfortable. But signing work that strains crew and equipment capacity to the point of execution failure is worse. The capacity analysis is not about limiting growth — it is about growing at the rate the current infrastructure can support and building the crew and equipment capacity ahead of the contracts that require it.
FREQUENTLY ASKED.
